$(function (){
    //todo write my js code at here
    loadStudentList();
});

function loadStudentList(){
    $.ajax({
        url:"/api/student/list"
    }) .done(function (data){
        // console.log(data)
        let html="";
        data.forEach((element, index) => {
            html+="<tr>"
            html+="<td>"+element.id+"</td>"
            html+="<td>"+element.name+"</td>"
            html+="<td>"+element.sex+"</td>"
            html+="<td>"+element.age+"</td>"
            html+="<td>"+element.sno+"</td>"
            html+="<td><a href='#' onclick='showStudenDlg("+element.id
                +")'>编辑</a> &nbsp;&nbsp;<a href='#' onclick='deleteById("+
                +element.id+")'>删除</a></td>"


            html+="</tr>"

        })
        $("#studentTb").html(html)
    });
}
let layerIndex;
function showStudenDlg(id){
    let title = "新增学生"
    if(id){
        //编辑学生
        title = "编辑学生"
        $("#formId").css("display","block");
        //读取学生信息并赋值
        $.ajax({
            url:"/api/student/"+id,
            method: "GET"
        }).done(result=>{
            console.log(result)

            $.each(result,function (key,value){
                var field= $('#studForm [name="'+ key + '" ]');

                if(field.is(':radio')){
                    field.filter('[value="'+value+'"]').prop('checked',true);
                }else if(field.is('checkbox')){
                    field.prop('checked',value==="yes");
                }else {
                    field.val(value);
                }
            });

        })
    }
    else{
        //新增学生
        $("#studForm")[0].reset();
        $("#formId").css("display","none");

    }
    layerIndex = layer.open({
        type:1,
        title:title,
        area:['520px','auto'],
        content:$('#studForm')//捕获层
    });
}

layui.use(function (){
    //验证表单是否合法
    layui.form.on('submit(stud-dlg)',function (data){
        event.preventDefault();//阻止表单默认提交

        commitStuDlg();
    })
});

function commitStuDlg(){

    let id = $("#id").val()
    let formData = $("#studForm").serialize();
    if(id!=null&&id!=""){
        //是更新学生

        $.ajax({
            url:"/api/student/gengxin",
            method:"PUT",
            data:formData
        }).done(result=>{
            console.log(result);
            if(result.id){

                //读取并刷新原来的读学生列表
                loadStudentList();

                //关闭弹出层
                console.log("add success!")
                if(layerIndex)
                    layer.close(layerIndex)

            }

        }).fail((jqXHR, textStatus, errorThrown)=>{
            console.error("Request failed"+textStatus+"-"+errorThrown);
            alert("an error occurred. Please try again");
        });
    }else {
        //新增学生需要进行

        //将表单数据发送到服务器中的insert中，把提交按钮变灰

        $.ajax({
            url:"/api/student/add",
            method:"POST",
            data:formData
        }).done(result=>{
            console.log(result);
            if(result.id){

                //读取并刷新原来的读学生列表
                loadStudentList();

                //关闭弹出层
                console.log("add success!")
                if(layerIndex)
                    layer.close(layerIndex)

            }

        }).fail((jqXHR, textStatus, errorThrown)=>{
            console.error("Request failed"+textStatus+"-"+errorThrown);
            alert("an error occurred. Please try again");
        });

    }



    $("#btnOk").prop("disabled",true).addClass("layui-btn-disabled");//禁用按钮


}


function  deleteById(id){
    //删除
    layer.confirm('你真的要删除吗？一旦删除不可恢复！', {icon: 3}, function(){

        $.ajax({
            url:"/api/student/shanchu/"+id,
            method:"DELETE"
        }).done(result=>{
            loadStudentList();
        })
        layer.closeAll();

    }, function(){

    });
}